Home / 743,208.48-1,025,630.64-403,682.40

Finding the Fourth Proportional to 743,208.48, 1,025,630.64 and 403,682.40

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Solution

The fourth proportional to 743,208.48, 1,025,630.64 and 403,682.40 is: 557,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,208.48 : 1,025,630.64 = 403,682.40 : x
  2. Step 2: Convert to fraction form
    743,208.48/1,025,630.64 = 403,682.40/x
  3. Step 3: Cross multiply
    743,208.48x = 1,025,630.64 × 403,682.40
  4. Step 4: Simplify right side
    743,208.48x = 414,029,038,268.74
  5. Step 5: Solve for x
    x = 414,029,038,268.74/743,208.48
  6. Step 6: Final answer
    x = 557,083.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.